TH7122ENE Melexis Inc, TH7122ENE Datasheet - Page 26

• Manufacturer Part Number: TH7122ENE
• Description: IC TXRX 930MHZ FSK/FM/ASK 32LQFP
• Manufacturer: Melexis Inc

Specifications of TH7122ENE

• Frequency: 300MHz ~ 930MHz
• Data Rate - Maximum: 115Kbps
• Modulation Or Protocol: ASK, FM, FSK
• Applications: Alarm and Security Systems, RKE, TPMS
• Power - Output: -10dBm ~ 11dBm
• Sensitivity: -105dBm
• Voltage - Supply: 2.2 V ~ 5.5 V
• Current - Receiving: 14mA
• Current - Transmitting: 23mA @ 10dBm
• Data Interface: PCB, Surface Mount
• Antenna Connector: PCB, Surface Mount
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 32-LQFP
• Transmitting Current: 12mA
• Data Rate: 115Kbps
• Frequency Range: 300MHz To 930MHz
• Modulation Type: AM, FM, FSK
• Sensitivity Dbm: -105dBm
• Rf Ic Case Style: LQFP
• No. Of Pins: 32
• Supply Voltage: RoHS Compliant
• Output Power: 10dBm
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Memory Size: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: TH7122.3; TH7122ENETR

6
6.1
Operation beyond absolute maximum ratings may cause permanent damage of the device.
1) all pins, except LF, TNK_LO, VCC_PLL and FS1/LD
2) pins LF, TNK_LO, VCC_PLL and FS1/LD
6.2
39010 07122
Rev. 010
Supply voltage
Input voltage
Input RF level
Storage temperature
Junction temperature
Power dissipation
Thermal Resistance
Electrostatic discharge
Electrostatic discharge
Supply voltage
Operating temperature
Input low voltage (CMOS)
pins IN_DTA, ASK/FSK,
RE/SCLK, TE/SDTA, FS0/SDEN,
FS1/LD
Input high voltage (CMOS)
pins IN_DTA, ASK/FSK,
RE/SCLK, TE/SDTA, FS0/SDEN,
FS1/LD
Transmit frequency range
Receive frequency range
VCO frequency
IF range
FSK demodulator operating range f
RO frequency
PFD comparison frequency
Frequency deviation
FSK data rate
ASK data rate
FM bandwidth
VCO gain
Technical Data
Absolute Maximum Ratings
Normal Operating Conditions
Parameter
Parameter
f
f
RF
RF
= 433.92MHz
= 868.3MHz
P
f
f
f
R
f
V
V
T
T
P
R
V
V
V
T
V
V
f
f
f
Δf
R
K
TX
RX
VCO
IF
IF_FSK
RO
R
m
Symbol
Symbol
STG
J
A
CC
IN
iRF
diss
ESD1
ESD2
CC
IL
IH
VCO
thJA
FSK
ASK
@ LNA input
human body model, 1)
human body model, 2)
V
in Stand-alone user
mode
V
in Stand-alone user
mode
Set by tank configuration
| f
Set by crystal
Set by crystal and
R-counter
at FM or FSK
w/ crystal pulling, NRZ
w/ direct VCO mod., NRZ
NRZ
Page 26 of 44
IL_FS1/LD
IH_FS1/LD
RX
Condition / Note
- f
VCO
Condition
only
only
|
FSK/FM/ASK Transceiver
0.7*V
0.003
-0.75
±2.5
Min
-0.3
-0.3
-1.0
Min
300
300
300
-40
2.2
-40
0.4
14
28
2
3
CC
0.3*V
V
+0.75
+125
+150
27 to 930MHz
+1.0
Max
cc
0.25
Max
+85
930
930
930
±80
115
TH7122
6.0
5.5
10
60
22
22
12
20
40
10
23
55
+0.3
1
CC
Data Sheet
MHz/V
kbps
kbps
kbps
dBm
MHz
MHz
MHz
MHz
MHz
MHz
MHz
Unit
K/W
Unit
kHz
kHz
°C
°C
kV
kV
ºC
Feb/09
W
V
V
V
V
V